Add Windows integration tests showing that subst is handled inconsistently
#6056
| Job | Run time |
|---|---|
| 1m 19s | |
| 1m 7s | |
| 2m 49s | |
| 5m 15s |
subst is handled inconsistently
#6056
| Job | Run time |
|---|---|
| 1m 19s | |
| 1m 7s | |
| 2m 49s | |
| 5m 15s |